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Finding the Fourth Proportional to 447,379.00, 671,068.50 and 163,090.87

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Solution

The fourth proportional to 447,379.00, 671,068.50 and 163,090.87 is: 244,636.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,379.00 : 671,068.50 = 163,090.87 : x
  2. Step 2: Convert to fraction form
    447,379.00/671,068.50 = 163,090.87/x
  3. Step 3: Cross multiply
    447,379.00x = 671,068.50 × 163,090.87
  4. Step 4: Simplify right side
    447,379.00x = 109,445,143,205.33
  5. Step 5: Solve for x
    x = 109,445,143,205.33/447,379.00
  6. Step 6: Final answer
    x = 244,636.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.